Stainless Steel 321 Flanges are high-performance flanges made from stabilized austenitic stainless steel that contains titanium (Ti) for enhanced resistance to intergranular corrosion. The addition of titanium prevents carbide precipitation during welding, making SS 321 an ideal choice for high-temperature applications in industries such as aerospace, chemical processing, power generation, and heat exchangers.
Compared to SS 304 and SS 316, SS 321 flanges offer superior performance in environments with high thermal conditions due to their oxidation resistance up to 900°C (1652°F).
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Stainless Steel 321 Flanges are widely used in various industries due to their high-temperature resistance, corrosion resistance, and durability. These flanges play a crucial role in connecting, supporting, and sealing pipelines in different environments. Some of the key application areas include:
SS 321 Flanges withstand oxidation and scaling up to 900°C.
Due to titanium stabilization, SS 321 flanges resist intergranular corrosion.
Provides excellent mechanical properties for high-pressure conditions.
Ensures longevity in chemical plants, refineries, and marine environments.
As a leading Stainless Steel 321 Flanges Manufacturer in India, we specialize in producing precision-engineered SS 321 flanges that conform to ASTM, ASME, ANSI, DIN, and EN standards.
Our key offerings include:
| Specification | Details |
|---|---|
| Material Grade | Stainless Steel 321 (Titanium Stabilized Austenitic) |
| Standard | ASTM A182 / ASME SA182 |
| Size Range | ½” to 48” (DN15 to DN1200) |
| Pressure Ratings | 150#, 300#, 600#, 900#, 1500#, 2500# |
| Face Type | RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint) |
| Types | Slip-On, Weld Neck, Blind, Threaded, Socket Weld, Lap Joint, Orifice, Expander, Reducing |
| Connection Type | Bolted, Welded, Threaded |
| Temperature Resistance | Suitable for high & low temperature applications |
| Corrosion Resistance | Superior resistance to oxidation, pitting, and crevice corrosion |
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.08 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
| Silicon (Si) | 1.00 max |
| Chromium (Cr) | 17.0 – 19.0 |
| Nickel (Ni) | 9.0 – 12.0 |
| Titanium (Ti) | 5x(C+N) min, 0.70 max |
| Nitrogen (N) | 0.10 max |
| Property | Value |
|---|---|
| Tensile Strength | 515 MPa (min) |
| Yield Strength | 205 MPa (min) |
| Elongation | 40% (min) |
| Hardness (Brinell) | 217 max |
| Hardness (Rockwell B) | 95 max |
| Region | Countries |
|---|---|
| Middle East | Saudi Arabia, Iran, Iraq, UAE, Qatar, Bahrain, Oman, Kuwait, Turkey, Yemen, Syria, Israel, Jordan, Cyprus |
| Asia | Singapore, Malaysia, Indonesia, Thailand, Vietnam, South Korea, Japan, Sri Lanka, Maldives, Bangladesh, Myanmar, Taiwan, Cambodia |
| South America | Argentina, Bolivia, Brazil, Chile, Venezuela, Colombia, Ecuador, Guyana, Paraguay, Uruguay |
| North America | United States, Canada, Mexico, Panama, Costa Rica, Puerto Rico, Trinidad and Tobago, Jamaica, Bahamas |
| Europe | Denmark, Russia, Norway, Germany, France, Italy, United Kingdom, Spain, Ukraine, Netherlands, Belgium, Greece, Czech Republic, Portugal, Hungary, Albania, Austria, Switzerland, Slovakia, Finland, Ireland, Croatia, Slovenia, Malta |
| Africa | Nigeria, Algeria, Angola, South Africa, Libya, Egypt, Sudan, Equatorial Guinea, Republic of Congo, Gabon |
| Continental Supply | Europe, Africa, Asia, North America, South America, Middle East, Far East |
| State | Major Cities |
|---|---|
| Andhra Pradesh | Vishakhapatnam, Vijayawada |
| Gujarat | Ahmedabad, Surat, Rajkot, Vadodara |
| Karnataka | Bengaluru |
| Kerala | Cochin |
| Maharashtra | Mumbai, Navi Mumbai, Pune, Nashik, Nagpur, Solapur, Kolhapur, Ambernath, Ahmednagar, Latur |
| Tamil Nadu | Chennai |
| Telangana | Hyderabad |
| Uttar Pradesh | Kanpur, Ghaziabad, Noida |
| West Bengal | Kolkata, Durgapur |
| Union Territories | Delhi, New Delhi, Chandigarh |
If you’re looking for top-quality SS 321 Flanges, we offer a wide range of standard and custom-manufactured flanges that guarantee strength, corrosion resistance, and durability. Contact us today for competitive pricing and bulk orders!